In this unit you will examine ratios and rates and use cross products to determine whether two rates form a proportion. You will also use ratios and proportions to solve real world problems. You will extend your study to include perecent, fraction, and decimal conversions, as well as discount, simple interest, and percent of change.
Use the following sites to help you learn more about Ratios:
http://www.algebralab.org/studyaids/studyaid.aspx?file=Algebra1_2-8.xml